Insole



FIG. 1 is a top perspective view of an insole showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

The broken line showing of portions of the insole illustrate environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for an insole, as shown and described. 